CA2234324A1 - Improved meltblowing method and system - Google Patents
Improved meltblowing method and systemInfo
- Publication number
- CA2234324A1 CA2234324A1 CA002234324A CA2234324A CA2234324A1 CA 2234324 A1 CA2234324 A1 CA 2234324A1 CA 002234324 A CA002234324 A CA 002234324A CA 2234324 A CA2234324 A CA 2234324A CA 2234324 A1 CA2234324 A1 CA 2234324A1
- Authority
- CA
- Canada
- Prior art keywords
- fluid
- fluid flow
- velocity
- dispensing
- separate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
- B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
- B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
- B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
- D01D4/025—Melt-blowing or solution-blowing dies
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
- D01D5/098—Melt spinning methods with simultaneous stretching
- D01D5/0985—Melt spinning methods with simultaneous stretching by means of a flowing gas (e.g. melt-blowing)
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/56—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in association with fibre formation, e.g. immediately following extrusion of staple fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
- B05B7/0884—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned
Abstract
Disclosed are meltblowing methods and systems, and more particularly parallel plate meltblowing die assemblies and meltblowing system configurations useable for precisely controlling the dispensing and uniform application of meltblow adhesive filaments onto moving substrates. More particularly the method includes the steps of dispensing a first fluid from a first orifice to form a first fluid flow at a first velocity, dispensing a second fluid from not more than two second orifices associated with the first orifice to firm separate second fluid flows at a second velocity along substantially opposing flanking sides of the first fluid flow, convergently directing the separate second fluid flows toward the first fluid flow, and drawing the first fluid flow with the separate second fluid flows at asecond velocity greater than the first velocity of the first fluid flow, wherein the drawn first fluid flow is attenuated to form a first fluid filament. The apparatus carries out the method.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/843,224 | 1997-04-14 | ||
US08/843,224 US5904298A (en) | 1996-10-08 | 1997-04-14 | Meltblowing method and system |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2234324A1 true CA2234324A1 (en) | 1998-10-14 |
CA2234324C CA2234324C (en) | 2002-01-08 |
Family
ID=25289382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002234324A Expired - Lifetime CA2234324C (en) | 1997-04-14 | 1998-04-07 | Improved meltblowing method and system |
Country Status (11)
Country | Link |
---|---|
US (1) | US5904298A (en) |
EP (1) | EP0872580B1 (en) |
JP (3) | JPH10305242A (en) |
KR (1) | KR100277011B1 (en) |
CN (1) | CN1086745C (en) |
AU (1) | AU704281B2 (en) |
BR (1) | BR9801035B1 (en) |
CA (1) | CA2234324C (en) |
DE (1) | DE69830681T2 (en) |
NZ (1) | NZ330212A (en) |
TW (1) | TW429274B (en) |
Families Citing this family (102)
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US6652693B2 (en) | 1998-08-06 | 2003-11-25 | Kimberly-Clark Worldwide, Inc. | Process for applying adhesive in an article having a strand material |
US6248097B1 (en) | 1998-08-06 | 2001-06-19 | Kimberly-Clark Worldwide, Inc. | Absorbent article with more conformable elastics |
US6235137B1 (en) | 1998-08-06 | 2001-05-22 | Kimberly-Clark Worldwide, Inc. | Process for manufacturing an elastic article |
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US6719846B2 (en) | 2000-03-14 | 2004-04-13 | Nordson Corporation | Device and method for applying adhesive filaments to materials such as strands or flat substrates |
US6361634B1 (en) | 2000-04-05 | 2002-03-26 | Kimberly-Clark Worldwide, Inc. | Multiple stage coating of elastic strands with adhesive |
US6833179B2 (en) | 2000-05-15 | 2004-12-21 | Kimberly-Clark Worldwide, Inc. | Targeted elastic laminate having zones of different basis weights |
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US8182457B2 (en) | 2000-05-15 | 2012-05-22 | Kimberly-Clark Worldwide, Inc. | Garment having an apparent elastic band |
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-
1997
- 1997-04-14 US US08/843,224 patent/US5904298A/en not_active Expired - Lifetime
-
1998
- 1998-03-23 TW TW087104332A patent/TW429274B/en not_active IP Right Cessation
- 1998-04-02 CN CN98101312A patent/CN1086745C/en not_active Expired - Lifetime
- 1998-04-07 DE DE69830681T patent/DE69830681T2/en not_active Expired - Lifetime
- 1998-04-07 CA CA002234324A patent/CA2234324C/en not_active Expired - Lifetime
- 1998-04-07 EP EP98302718A patent/EP0872580B1/en not_active Expired - Lifetime
- 1998-04-09 KR KR1019980012611A patent/KR100277011B1/en not_active IP Right Cessation
- 1998-04-09 AU AU60748/98A patent/AU704281B2/en not_active Expired
- 1998-04-13 BR BRPI9801035-2A patent/BR9801035B1/en not_active IP Right Cessation
- 1998-04-14 JP JP10103112A patent/JPH10305242A/en active Pending
- 1998-04-16 NZ NZ330212A patent/NZ330212A/en not_active IP Right Cessation
-
2002
- 2002-08-01 JP JP2002224980A patent/JP3479297B2/en not_active Expired - Lifetime
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2008
- 2008-11-13 JP JP2008291334A patent/JP2009102794A/en active Pending
Also Published As
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NZ330212A (en) | 1998-08-26 |
AU6074898A (en) | 1998-10-15 |
JP2009102794A (en) | 2009-05-14 |
JP3479297B2 (en) | 2003-12-15 |
DE69830681T2 (en) | 2005-12-15 |
CA2234324C (en) | 2002-01-08 |
EP0872580A1 (en) | 1998-10-21 |
JPH10305242A (en) | 1998-11-17 |
JP2003147626A (en) | 2003-05-21 |
KR19980081242A (en) | 1998-11-25 |
DE69830681D1 (en) | 2005-08-04 |
KR100277011B1 (en) | 2001-04-02 |
BR9801035A (en) | 1999-09-28 |
AU704281B2 (en) | 1999-04-15 |
CN1196406A (en) | 1998-10-21 |
US5904298A (en) | 1999-05-18 |
CN1086745C (en) | 2002-06-26 |
TW429274B (en) | 2001-04-11 |
BR9801035B1 (en) | 2009-12-01 |
MX9802724A (en) | 1998-12-31 |
EP0872580B1 (en) | 2005-06-29 |
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